Finding the Fourth Proportional to 198,061.59, 297,113.22 and 57,820.62

Step by Step Solution

1. Step 1: Write the proportion equation
   198,061.59 : 297,113.22 = 57,820.62 : x
2. Step 2: Convert to fraction form
   198,061.59/297,113.22 = 57,820.62/x
3. Step 3: Cross multiply
   198,061.59x = 297,113.22 × 57,820.62
4. Step 4: Simplify right side
   198,061.59x = 17,179,270,590.60
5. Step 5: Solve for x
   x = 17,179,270,590.60/198,061.59
6. Step 6: Final answer
   x = 86,737.01